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  ><div id="lhs-test"
    ><h1
      >lhs test</h1
      ><p
      ><code
	>unsplit</code
	> is an arrow that takes a pair of values and combines them to return a single value:</p
      ><pre class="sourceCode haskell"
      ><code
	><span class="Function FunctionDefinition"
	  >unsplit ::</span
	  ><span class="Normal NormalText"
	  > (Arrow a) =&gt; (b -&gt; c -&gt; d) -&gt; a (b, c) d</span
	  ><br
	   /><span class="Normal NormalText"
	  >unsplit = arr . </span
	  ><span class="Function"
	  >uncurry</span
	  ><span class="Normal NormalText"
	  >       </span
	  ><br
	   /><span class="Normal NormalText"
	  >          </span
	  ><span class="Comment"
	  >-- arr (\op (x,y) -&gt; x `op` y) </span
	  ><br
	   /></code
	></pre
      ><p
      ><code
	>(***)</code
	> combines two arrows into a new arrow by running the two arrows on a pair of values (one arrow on the first item of the pair and one arrow on the second item of the pair).</p
      ><pre
      ><code
	>f *** g = first f &gt;&gt;&gt; second g
</code
	></pre
      ><p
      >Block quote:</p
      ><blockquote
      ><p
	>foo bar</p
	></blockquote
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